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4. Seismology

Page 3 of 11

  1. We conducted temporary seismic observations at the Hitachi-Kashiwa Soccer Stadium on a J. LEAGUE game day to obtain unique seismic records due to the collective action (i.e., jumping) of supporters, which were...

    Authors: Suguru Yabe, Kiwamu Nishida and Shinichi Sakai
    Citation: Earth, Planets and Space 2022 74:123
  2. As interference waves in deep reflection data processing, surface waves are often suppressed as noise, but surface waves carry considerable underground media information, including structural information and t...

    Authors: Guangwen Wang, Zhanwu Lu, Wenhui Li, Shuai Xue, Haiyan Wang, Yongzhi Cheng, Si Chen and Wei Cai
    Citation: Earth, Planets and Space 2022 74:122
  3. Investigation of the characteristic behavior of successive earthquakes that closely occur in space and time is important to understand the generation mechanism of earthquakes and useful to assess a triggered e...

    Authors: Thystere Matondo Bantidi and Takeshi Nishimura
    Citation: Earth, Planets and Space 2022 74:117
  4. A hierarchical space–time version of the epidemic-type aftershock sequence (HIST–ETAS) model was constructed for an optimally adapted fit to diverse seismicity features characterized by anisotropic clustering ...

    Authors: Yosihiko Ogata
    Citation: Earth, Planets and Space 2022 74:110
  5. Ocean-bottom pressure gauges of wide and dense ocean-bottom observation networks around Japan, S-net and DONET, observed ocean waves caused by the Tonga eruption that started at approximately 13:00 JST (UTC + ...

    Authors: Hisahiko Kubo, Tatsuya Kubota, Wataru Suzuki, Shin Aoi, Osamu Sandanbata, Naotaka Chikasada and Hideki Ueda
    Citation: Earth, Planets and Space 2022 74:104
  6. Earth’s crust responds to perturbations from various environmental factors. To evaluate this response, seismic velocity changes offer an indirect diagnostic, especially where velocity can be monitored on an on...

    Authors: Rezkia Dewi Andajani, Takeshi Tsuji, Roel Snieder and Tatsunori Ikeda
    Citation: Earth, Planets and Space 2022 74:97
  7. Research interest in the Kinki region, southwestern Japan, has been aroused by the frequent occurrence of microearthquake activity that do not always coincide with documented active fault locations. Previous s...

    Authors: Bokani Nthaba, Tatsunori Ikeda, Hiro Nimiya, Takeshi Tsuji and Yoshihisa Iio
    Citation: Earth, Planets and Space 2022 74:96
  8. The Hakodate Plain in the southern part of the Oshima Peninsula, Hokkaido, Japan, is a sedimentary basin surrounded by mountains. The vertical displacements caused by active faults along the western margin of ...

    Authors: Kimiyuki Asano, Tomotaka Iwata, Kunikazu Yoshida, Naoto Inoue, Kazuhiro Somei, Ken Miyakoshi and Michihiro Ohori
    Citation: Earth, Planets and Space 2022 74:94
  9. Revealing subsurface structures is a fundamental task in geophysical and geological studies. Logging data are usually acquired through drilling projects, which constrain the subsurface structure, and together ...

    Authors: Suguru Yabe, Yohei Hamada, Rina Fukuchi, Shunichi Nomura, Norio Shigematsu, Tsutomu Kiguchi and Kenta Ueki
    Citation: Earth, Planets and Space 2022 74:93
  10. The S-wave velocity (Vs) structure of sediments and the uppermost crust in the landward slope of a subduction zone are important for determining the dynamics of the overriding plate. Although distributed acoustic...

    Authors: Shun Fukushima, Masanao Shinohara, Kiwamu Nishida, Akiko Takeo, Tomoaki Yamada and Kiyoshi Yomogida
    Citation: Earth, Planets and Space 2022 74:92
  11. This study summarizes the findings of an attitude survey focused on people’s perceptions of seismic hazard maps, which illustrate the risk of an earthquake in each location throughout Japan. These seismic haza...

    Authors: Sayaka Saito, Shinya Yasumoto and Naoya Sekiya
    Citation: Earth, Planets and Space 2022 74:82
  12. Issues of predominant period of ground motion and derived underground velocity structure model are investigated in the coastal plains affected by the shallow soft sedimentary layer after the last ice age. It i...

    Authors: Takao Kagawa and Tatsuya Noguchi
    Citation: Earth, Planets and Space 2022 74:74
  13. The feasibility of using a dense seismic array with an airgun source to study the quality factors of shallow media is verified. Data were obtained from 37 stations in the dense seismic array located in Binchua...

    Authors: Shen Du, YanXiang Yu and Liang Xiao
    Citation: Earth, Planets and Space 2022 74:68
  14. A large eruption of the Hunga Tonga-Hunga Haʻapai volcano in Tonga on January 15, 2022 generated air–sea coupled tsunamis observed at the ocean-bottom pressure sensor network along the Japan Trench (S-net) in ...

    Authors: Yuichiro Tanioka, Yusuke Yamanaka and Tatsuya Nakagaki
    Citation: Earth, Planets and Space 2022 74:61
  15. The critical taper model best describes the first-order mechanics of subduction zone wedges. The wedge geometry, which is conventionally defined by two parameters, slope angle and basal dip angle, accounts for...

    Authors: Hiroaki Koge, Juichiro Ashi, Jin-Oh Park, Ayumu Miyakawa and Suguru Yabe
    Citation: Earth, Planets and Space 2022 74:56
  16. Large earthquakes around Japan occur not only in the Pacific Ocean but also in the Sea of Japan, and cause both damage from the earthquake itself and from the ensuing tsunami to the coastal areas. Recently, of...

    Authors: Satoko Murotani, Kenji Satake, Takeo Ishibe and Tomoya Harada
    Citation: Earth, Planets and Space 2022 74:52
  17. Ground motions near the source area of the mainshock of the 2013 Lushan earthquake (Mw 6.6) in Sichuan Province in China were reproduced using the characterized source model and the empirical Green’s function met...

    Authors: Hao Wu, Kojiro Irikura, Ken Miyakoshi and Kazuhiro Somei
    Citation: Earth, Planets and Space 2022 74:50
  18. Slow earthquakes have gained importance due to their proximity to the focal regions of megathrust earthquakes. Among slow earthquakes, tectonic tremors have the highest dominant frequency and are thus best res...

    Authors: Masashi Ogiso and Koji Tamaribuchi
    Citation: Earth, Planets and Space 2022 74:49
  19. We propose a local earthquake tomography method that applies a structured regularization technique to determine sharp changes in Earth’s seismic velocity structure using arrival time data of direct waves. Our ...

    Authors: Yohta Yamanaka, Sumito Kurata, Keisuke Yano, Fumiyasu Komaki, Takahiro Shiina and Aitaro Kato
    Citation: Earth, Planets and Space 2022 74:43
  20. On May 21, 2021 (UTC time), an Mw7.4 earthquake struck Maduo County, Qinghai Province, China. The rupture of this typical strike-slip event and its aftershocks along the Kunlun-Jiangcuo fault (JCF) propagated ...

    Authors: Peiyu Dong, Bin Zhao and Xuejun Qiao
    Citation: Earth, Planets and Space 2022 74:42
  21. We investigated the effects of fault parameter uncertainty on the deterministic assessment of tsunami hazards for the submarine and coastal active faults in the Sea of Japan that were recently modeled by the I...

    Authors: Kenji Satake, Takeo Ishibe, Satoko Murotani, Iyan E. Mulia and Aditya Riadi Gusman
    Citation: Earth, Planets and Space 2022 74:36
  22. We applied reverse time migration (RTM) to offshore wide-angle seismic data acquired with airgun shots and sparsely deployed ocean bottom seismographs (OBSs) for reflection imaging of the Moho discontinuity in...

    Authors: Kazuya Shiraishi, Tetsuo No and Gou Fujie
    Citation: Earth, Planets and Space 2022 74:28
  23. We estimate the hypocenter locations and the centroid moment tensor solutions of the shallow very-low-frequency earthquake (sVLFE) activity that occurred in the Kumano-nada region of the Nankai Trough megathru...

    Authors: Yojiro Yamamoto, Keisuke Ariyoshi, Shuichiro Yada, Masaru Nakano and Takane Hori
    Citation: Earth, Planets and Space 2022 74:14
  24. The correlation between Earth’s tides and background seismicity has been suggested to become stronger before great earthquakes and weaker after. However, previous studies have only retrospectively analyzed thi...

    Authors: Fuyuki Hirose, Kenji Maeda and Osamu Kamigaichi
    Citation: Earth, Planets and Space 2022 74:10
  25. An earthquake with a magnitude of 6.7 occurred in the Japan Sea off Yamagata on June 18, 2019. The mainshock had a source mechanism of reverse-fault type with a compression axis of WNW–ESE direction. Since the...

    Authors: Masanao Shinohara, Shin’ichi Sakai, Tomomi Okada, Hiroshi Sato, Yusuke Yamashita, Ryota Hino, Kimihiro Mochizuki and Takeshi Akuhara
    Citation: Earth, Planets and Space 2022 74:5
  26. The matched filter technique is often used to detect microearthquakes such as deep low-frequency (DLF) earthquakes. It compares correlation coefficients (CC) between waveforms of template earthquakes and the o...

    Authors: Ryo Kurihara, Aitaro Kato, Sumito Kurata and Hiromichi Nagao
    Citation: Earth, Planets and Space 2021 73:225
  27. Dynamic earthquake rupture causes mass redistribution around the fault, and the emitted propagating seismic waves are accompanied by bulk density perturbations. Both processes cause transient gravity changes p...

    Authors: Masaya Kimura, Nobuki Kame, Shingo Watada, Akito Araya, Takashi Kunugi and Rongjiang Wang
    Citation: Earth, Planets and Space 2021 73:223
  28. Small-scale seismic velocity heterogeneity has been studied through the calculation of peak amplitude ratio as a means to quantify the strength of seismic wave scattering at volcanoes in Japan. This ratio is d...

    Authors: Gugi Ganefianto, Hisashi Nakahara and Takeshi Nishimura
    Citation: Earth, Planets and Space 2021 73:207
  29. The Shanxi Rift located in the central part of the North China Craton (NCC) as a boundary between the Ordos block and the Huabei basin. The Shanxi graben system is a Cenozoic rift and originated from back-arc ...

    Authors: Yifang Chen, Jiuhui Chen, ShunCheng Li, Zhanyang Yu, Xuzhou Liu and Xuzhang Shen
    Citation: Earth, Planets and Space 2021 73:200
  30. The southern part of the Ryukyu subduction zone has recorded tsunami events with a recurrence interval of several hundred years. Although their source is controversial, one model suggests that the last 1771 Ya...

    Authors: Masayuki Kano, Aoi Ikeuchi, Takuya Nishimura, Shin’ichi Miyazaki and Takeshi Matsushima
    Citation: Earth, Planets and Space 2021 73:199
  31. The study of slow earthquake activity, which occurs in the shallow and deep sides of seismogenic zone, is crucial for understanding subduction zones, including variations in frictional properties with depth an...

    Authors: Yusuke Yamashita, Masanao Shinohara and Tomoaki Yamada
    Citation: Earth, Planets and Space 2021 73:196
  32. The Median Tectonic Line (MTL) is a thousand-kilometer-long fault that extends across southwest Japan. Near the Nyugawa region of Shikoku, the MTL comprises (i) a low-angle inactive terrane boundary fault (the MT...

    Authors: Masahiro Miyawaki and Arito Sakaguchi
    Citation: Earth, Planets and Space 2021 73:194
  33. Low-frequency tremors have been widely detected in many tectonic zones, and are often located adjacent to megathrust zones, indicating that their spatiotemporal evolution provides important insights into megat...

    Authors: Hidenobu Takahashi, Kazuya Tateiwa, Keisuke Yano and Masayuki Kano
    Citation: Earth, Planets and Space 2021 73:186
  34. Along the Nankai Trough subduction zone, southwest Japan, short-term slow slip events (SSEs) are commonly detected in strain and tilt records. These observational data have been used in rectangular fault model...

    Authors: Takahiro Tsuyuki, Akio Kobayashi, Reiko Kai, Takeshi Kimura and Satoshi Itaba
    Citation: Earth, Planets and Space 2021 73:181
  35. This study aims to synthesize seismic observations with gravity and magnetic data and to suggest a new scenario on the development of the Harrat Lunayyir (HL) tectonic system on the eastern Red Sea coastline, ...

    Authors: Ali K. Abdelfattah, Chokri Jallouli, Mohamed Fnais, Saleh Qaysi, Hassan Alzahrani and Saad Mogren
    Citation: Earth, Planets and Space 2021 73:178
  36. We investigated changes in the b value of the Gutenberg–Richter’s law in and around the focal areas of earthquakes on March 20 and on May 1, 2021, with magnitude (M) 6.9 and 6.8, respectively, which occurred off ...

    Authors: K. Z. Nanjo and A. Yoshida
    Citation: Earth, Planets and Space 2021 73:176
  37. Here we investigate the influence of the lithology and thermal state of the upper crust on earthquake distributions beneath the Wakayama region, southern Honshu, Japan, to better understand the influence of cr...

    Authors: Sumire Maeda, Shinji Toda, Toru Matsuzawa, Makoto Otsubo and Takumi Matsumoto
    Citation: Earth, Planets and Space 2021 73:173

    The Correction to this article has been published in Earth, Planets and Space 2021 73:205

  38. The evolution history of the Sea of Japan back-arc basin remains under debate, involving the opening of sub-basins such as the Japan and Yamato Basins. Detailed knowledge of the lithospheric structure will pro...

    Authors: Takeshi Akuhara, Kazuo Nakahigashi, Masanao Shinohara, Tomoaki Yamada, Hajime Shiobara, Yusuke Yamashita, Kimihiro Mochizuki and Kenji Uehira
    Citation: Earth, Planets and Space 2021 73:171

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